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885
resultados
Última actualización
24/04/2026 [07:20:00]
Resultados 200 a 225 de 885
Resumen de: WO2026077034A1
A secondary battery, a negative electrode sheet and a preparation method therefor, and an electric device. The secondary battery comprises: a positive electrode sheet, a negative electrode sheet, and a separator located between the positive electrode sheet and the negative electrode sheet, wherein the negative electrode sheet comprises a current collector and an active layer located on the surface of the current collector, and the active layer comprises first graphite; and the ratio of the peak area corresponding to the 0,0,4 crystal plane to the peak area corresponding to the 1,1,0 crystal plane in an X-ray diffraction pattern of the negative electrode sheet is 0.1-10.
Resumen de: US20260106175A1
A method of forming a shaped electrode film and products thereof, are described. The electrode film having a shaped edge may aid in the core circularity of electrode assemblies, which may improve the structural stability of energy storage devices with minimal change in electrode assembly design and manufacturing.
Resumen de: WO2026079811A1
The technical idea of the present invention provides a battery device comprising: a housing having an inner space accommodating battery cells; venting valves mounted on the housing and configured to discharge gas to the outside; and a valve protection cover disposed on an inlet side of the venting valves facing the inner space of the housing, wherein the valve protection cover includes: a front wall facing the inlets of the venting valves; and a circumferential wall extending along the circumference of the front wall and including venting holes.
Resumen de: WO2026076609A1
Provided are a secondary battery (10), a preparation method therefor, and an electric device, belonging to the technical field of batteries. During preparation of the secondary battery (10), an additive is added to a positive electrode active material, and when mixed with the positive electrode active material, the additive can absorb some of the moisture in the positive electrode active material. In addition, a baking process facilitates further removal of water, which is beneficial to reducing the water content in the secondary battery (10) so as to improve the cycle life of the battery.
Resumen de: WO2026079005A1
This solid electrolyte-containing sheet comprises a first porous substrate and a second porous substrate. A high-concentration binder region is formed at an interface portion between the first porous substrate and the second porous substrate. The high-concentration binder region contains the binder at a higher concentration than other regions in the first porous substrate and the second porous substrate.
Resumen de: WO2026076940A1
The present application is applicable to the technical field of batteries, and provides a battery apparatus (100), an energy storage apparatus, and an electrical apparatus. The battery apparatus comprises: a box body (10); a battery cell (20), which is accommodated in the box body; and an electronic control assembly (30), which is accommodated in the box body. The electronic control assembly comprises a support (31) and an electronic control component. The support comprises a support main body (311), a protruding structure (312) being connected to the side of the support main body facing the battery cell, and the electronic control component being arranged on the side of the support main body away from the battery cell. The electronic control assembly further comprises a thermal insulation plate (32) provided on the side of the support main body facing the battery cell, and the thermal insulation plate, the support main body, and the protruding structure enclose to form a cavity. In the battery apparatus provided in the embodiments of the present application, the protruding structure is provided on the side of the support main body facing the battery cell, and the cavity is enclosed and formed by means of the thermal insulation plate, the protruding structure, and the support main body. Heat transfer is hindered by means of the combined action of the cavity and the thermal insulation plate, thereby achieving the effect of thermal insulation.
Resumen de: US20260106160A1
A negative electrode active material for a lithium secondary battery, a manufacturing method thereof, and a negative electrode and a lithium secondary battery comprising the same are described herein. The negative electrode active material for the lithium secondary battery comprises a core and a shell surrounding the core, wherein the core comprises a porous structure comprising flaky silicon particles and amorphous carbons, and the shell comprises flaky silicon particles, amorphous carbons, and crystalline carbons.
Resumen de: WO2026077064A1
The present application provides a sulfide solid-state electrolyte and a preparation method therefor, a battery cell, a battery device, and an electric device. The battery cell comprises a positive electrode sheet, a negative electrode sheet, and a solid-state electrolyte membrane located between the positive electrode sheet and the negative electrode sheet. The solid-state electrolyte membrane comprises a sulfide solid-state electrolyte, and the sulfide solid-state electrolyte satisfies: 0.5≤(Dv90-Dv10)/Dv50≤3.0, wherein Dv10 is a corresponding particle size at which the cumulative volume distribution percentage of the sulfide solid-state electrolyte reaches 10%, Dv50 is a corresponding particle size at which the cumulative volume distribution percentage of the sulfide solid-state electrolyte reaches 50%, and Dv90 is a corresponding particle size at which the cumulative volume distribution percentage of the sulfide solid-state electrolyte reaches 90%. The battery cell provided by the embodiments of the present application exhibits improved cycle performance.
Resumen de: WO2026076933A1
The present application relates to a positive electrode sheet and a preparation method therefor, a solid-state battery cell, a battery device, and an electric device. The positive electrode sheet comprises a positive electrode material and a composite ionic liquid; the composite ionic liquid is located in the positive electrode material, and the composite ionic liquid comprises a solvated ionic liquid and a lithium salt; the anions in the solvated ionic liquid include one or more of TFSI-, FSI-, PF6-, BF4-, and AlCl4-, and the anions in the lithium salt include one or more of TFSI-, FSI-, DBOF-, PF6-, ClO4-, BOB-, AsF6-, BF4-, and CF3SO3-. The positive electrode sheet of the present application can improve the cycle stability and initial coulombic efficiency of a solid-state battery cell.
Resumen de: WO2026077335A1
The present invention relates to the technical field of battery separators. Disclosed are a coated separator and a preparation method therefor. A mixed coating of polyethylene wax and ceramic is applied on the separator, and the separator quickly achieves pore closure at a low temperature, thereby forming a novel multifunctional lithium-ion battery separator having high fast-charging safety.
Resumen de: WO2026079883A1
Provided are a positive electrode composite capable of suppressing the deterioration of battery characteristics, a positive electrode, an all-solid-state battery, and a method for manufacturing the positive electrode composite. A positive electrode composite for an all-solid-state battery according to an embodiment comprises a positive electrode active material, a solid electrolyte, a first conductive material, and a second conductive material having lower crystallinity than the first conductive material, wherein the first conductive material is abundantly distributed in the vicinity of the positive electrode active material.
Resumen de: US20260106203A1
0000 Embodiments provide a winding device for a secondary battery that is capable of improving electrical stability of the secondary battery. The winding device includes a core including a flat portion and an inclined portion, the core configured to wind an electrode assembly of the secondary battery, an antistatic part disposed on the flat portion, wherein static electricity is prevented from being generated between the core and the electrode assembly.
Resumen de: US20260103394A1
0000 Disclosed is a composite active material having high capacity and low resistance. The composite active material of the present disclosure comprises an active material particle and a coating portion. The active material particle has an O2-type structure. The active material particle comprises, as constituent elements, Li; at least one transition metal element among Mn, Ni, and Co; and O. The active material particle is tabular. The coating portion covers at least a portion of a surface of the active material particle. The coating portion comprises a sulfide solid electrolyte.
Resumen de: WO2026077131A1
To solve the problem that the performance of lithium-ion batteries still needs to be improved, the present disclosure provides a lithium battery electrolyte and a lithium battery. The electrolyte comprises an organic solvent, a lithium salt, and an additive, wherein the additive comprises additive S having a structural general formula of Formula (I). The lithium battery electrolyte of the present disclosure exhibits excellent performance, being capable of improving the room-temperature cycling performance of lithium-ion batteries, suppressing gas generation after high-temperature storage, improving discharge efficiency at low temperatures, and also improving the room-temperature cycling performance of lithium-ion batteries at high voltages.
Resumen de: US20260106167A1
0000 A current collector includes a support layer, an electrically conductive layer, and a tab portion. The support layer is composed of a resin composition having electric insulation. The electrically conductive layer is laminated on the support layer. The tab portion is constituted by a film-formed member. The tab portion includes a tab body portion and a heat release portion. The tab body portion is connected with the electrically conductive layer. The tab body portion is configured to be able to be joined to another electrically conductive member such that electric conduction with the other electrically conductive member is established. The heat release portion has been folded multiple times.
Resumen de: WO2026077063A1
The present application provides a battery cell, a battery device, and an electric device. The battery cell comprises a positive electrode sheet, a negative electrode sheet, and a solid-state electrolyte membrane located between the positive electrode sheet and the negative electrode sheet. The solid-state electrolyte membrane comprises a first electrolyte layer close to the positive electrode sheet, and a second electrolyte layer close to the negative electrode sheet. The first electrolyte layer comprises a bromine-based sulfide solid-state electrolyte, and the second electrolyte layer comprises a chlorine-containing sulfide solid-state electrolyte. The battery cell in embodiments of the present application has improved cycle performance.
Resumen de: WO2026080492A1
A thermal energy storage system and related methods of storing thermal energy in the form of sensible heat, the thermal energy converted from an input energy source, such as s renewable energy source, to thermal energy stored in a sensible heat storage medium that includes calcium oxide that can optionally be produced from a source of calcium carbonate, such as limestone from a local quarry, whereby the thermal energy charged within the sensible heat storage medium can be stored until a desired time whereby discharging of the thermal energy can be conducted to transfer the thermal energy to an output energy source, such as using a working fluid.
Resumen de: WO2026079051A1
Provided is an electrode mixture for a sodium ion secondary battery, the electrode mixture making it possible to realize a high level of both electron conductivity and ion conductivity, and realize a high level of both cycle properties and output properties. The electrode mixture for a sodium ion secondary battery comprises: a positive electrode active substance containing sodium transition metal phosphate crystals that comprise Na, M (where M is at least one transition metal element selected from Cr, Fe, Mn, Co, V, and Ni), P, and O; and a conductive auxiliary agent containing fibrous carbon and granular carbon.
Resumen de: US20260106147A1
0000 In some example embodiments, a positive electrode active material includes a first positive electrode active material including a lithium cobalt-based composite oxide and having an average particle diameter (D<50>) of about 15 μm to about 20 μm; and a second positive electrode active material including a lithium nickel-cobalt-manganese-based composite oxide and having an average particle diameter (D<50>) of about 3 μm to about 10 μm; wherein the second positive electrode active material is included in an amount of about 10 wt % to about 25 wt % based on a total of 100 wt % of the first positive electrode active material and the second positive electrode active material, and in the lithium nickel-cobalt manganese-based composite oxide, based on 100 mol % of a total metal excluding lithium, a nickel content is about 55 mol % to about 60 mol % and a cobalt content is greater than or equal to about 20 mol %.
Resumen de: WO2026079624A1
The present invention relates to a winding core for manufacturing an electrode assembly and a method for manufacturing an electrode assembly using same, wherein the winding core is withdrawn without being accompanied by a separator or an electrode when withdrawing after completing the winding of the electrode assembly, thereby improving production yield. The winding core for manufacturing an electrode assembly, according to an embodiment of the present invention, winds a jellyroll-type electrode assembly. Here, the winding core includes a first winding core member, a second winding core member, and a spacer. The first core member and the second core member are disposed to face each other. The spacer is interposed between the first core member and the second core member to at least partially space the first core member and the second core member apart from each other.
Resumen de: DE102024209947A1
Verfahren zum Laden eines ersten elektrochemischen Energiespeichers (201) eines elektrisch antreibbaren Fahrzeugs (200) mittels mindestens eines zweiten elektrochemischen Energiespeichers (202) des elektrisch antreibbaren Fahrzeugs (200).
Resumen de: US20260106135A1
0000 A compound for use in a lithium, manganese-rich cathode for a Li-ion battery is Li<1.2>Ni<0.2>Mn<0.6>O<2 >triple doped with Na<+>, Co<3+>, and Mg<2+>. A lithium, manganese-rich cathode for an Li-ion battery includes the aforementioned compound. A lithium-ion battery includes an anode, a cathode, and an electrolyte, wherein the cathode is the aforementioned lithium, manganese-rich cathode.
Resumen de: DE102024003339A1
Die Erfindung betrifft ein Verfahren zur Herstellung eines Batteriemoduls (100) für eine Hochvolt-Batterie eines elektrisch betreibbaren Fahrzeugs, wenigstens umfassend die Schritte Bereitstellen von Batteriezellen (10); Vergießen der Batteriezellen (10) mit einer ersten Vergussmasse (22) in einzelnen Teilmodulen (20), wobei Hohlräume (16) zwischen den Batteriezellen (10) mit der ersten Vergussmasse (22) ausgefüllt werden; Elektrisches Kontaktieren von Zellpolen (12) der Batteriezellen (10) jeweils eines Teilmoduls (20) mit einer Zellverbindungseinrichtung (14); Anordnen der Teilmodule (20) in einem Gehäuse (110) des Batteriemoduls (100) und Verbinden der Teilmodule (10) mit dem Gehäuse (110) über eine Wärmeleitmasse (24); Ausgießen von Zwischenräumen zwischen den einzelnen Teilmodulen (20) und zwischen den Teilmodulen (20) und dem Gehäuse (110) mit einer zweiten Vergussmasse (26).Die Erfindung betrifft ferner ein Batteriemodul (100) für eine Hochvolt-Batterie eines elektrisch betreibbaren Fahrzeugs.
Resumen de: WO2026079908A1
The present invention provides an electrode vision inspection device (10) comprising: a first light emission unit (100) that includes a first light-emitting unit (110) for emitting a first light (L1) directed toward a first surface (S1) on one side in the thickness direction of an electrode unit (50) and a second light (L2) passing through the outside of the edge of the first surface (S1), and a film (130) arranged on an optical path of at least a part of the second light (L2) so as to change the brightness or color of the passing light; a second light emission unit (200) that includes a second light-emitting unit (210) for emitting a third light (L3) directed toward a second surface (S2) of the other side in the thickness direction of the electrode unit (50); a first image acquisition unit (300), which senses the first light (L1) reflected on the first surface (S1), so as to acquire a first image (G1); a second image acquisition unit (400), which senses the third light (L3) reflected on the second surface (S2) and the second light (L2), so as to acquire a second image (G2); and a detection unit (500) for detecting an edge position or contour of the electrode unit (50) or a predetermined part (P) of the electrode unit (50) on the basis of brightness values or color values of the first image (G1) and the second image (G2).
Nº publicación: WO2026079622A1 16/04/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
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Resumen de: WO2026079622A1
A battery module according to the present invention for achieving the aforementioned objective may include: a cell frame for accommodating battery cells; a bracket mounted on the cell frame; a fixing member mounted on the bracket to fix a wire harness disposed above the bracket; and a fastening member for fastening the cell frame and the bracket.
BOPI
Sede Electrónica
